EP3178606A2 - Sabot de meulage, dispositif de fixation d'un sabot de meulage, logement de meulage et procédé - Google Patents

Sabot de meulage, dispositif de fixation d'un sabot de meulage, logement de meulage et procédé Download PDF

Info

Publication number: EP3178606A2
Authority: EP; European Patent Office
Prior art keywords: sanding; shoe; expansion; carrier; contact surface
Prior art date: 2015-12-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP16202888.0A

Other languages

German (de)

English (en)

Other versions

EP3178606B1 (fr

EP3178606A3 (fr

Inventor

Viesturs Veinbergs

Andreas Koller

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Steinemann Technology AG

Original Assignee

Steinemann Technology AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2015-12-09

Filing date

2016-12-08

Publication date

2017-06-14

2016-10-13 Priority claimed from DE102016119500.6A external-priority patent/DE102016119500A1/de

2016-12-08 Application filed by Steinemann Technology AG filed Critical Steinemann Technology AG

2016-12-08 Priority to EP19151895.0A priority Critical patent/EP3488968B1/fr

2016-12-08 Priority to PL16202888T priority patent/PL3178606T3/pl

2016-12-08 Priority to SI201630582T priority patent/SI3178606T1/sl

2017-06-14 Publication of EP3178606A2 publication Critical patent/EP3178606A2/fr

2017-10-25 Publication of EP3178606A3 publication Critical patent/EP3178606A3/fr

2019-09-25 Application granted granted Critical

2019-09-25 Publication of EP3178606B1 publication Critical patent/EP3178606B1/fr

Status Active legal-status Critical Current

2036-12-08 Anticipated expiration legal-status Critical

Links

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
- B24B21/06—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground
- B24B21/08—Pressure shoes; Pressure members, e.g. backing belts
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load

Definitions

the invention relates to a sanding shoe according to the preamble of claim 1, apparatus for securing a sanding shoe according to claim 3, a sanding shoe receptacle according to claim 9 and a method according to claim 11.
Sanding shoes and abrasive shoe carriers or sanding shoe mountings are known from the prior art. However, these differ in essential features from the present invention.
sanding shoes are known in which compressed air is used, such as those in the DE 102005054213 A1 are disclosed.
material strips are inflated by means of compressed air, so that the contact pressure can be controlled on a grinding belt.
An intermediate material, which assumes damping function, is missing here however.
the DE 4114819 C1 shows a system in which a tubular and inflatable pressure pad is used. This has a similar function as the above material strips from the DE 102005054213 A1 on and is also filled with compressed air. Again, the support plate made of sheet metal or another metal. In addition, the replacement of the pressure element or the grinding shoe is expensive.
the object of the present invention is to overcome the disadvantages of the prior art.
a device and a method is to be provided which overcomes the disadvantages of previously known sanding shoes and abrasive shoe carriers.
the saving of material and associated costs should be defined as a task.
a part of the invention is an abrasive shoe according to the invention for a belt sander.
This sanding shoe consists of three layers: a carrier, an intermediate material and an abrasive belt activator.
the first layer of the abrasive shoe according to the invention forms a carrier.
This carrier is advantageously made of a flexible material such as textile fabric, kraft paper, paper, cardboard, soft plastic film of PU foam or PES or a mixture of these materials. This allows the carrier to be flexible, which has several advantages over conventional carriers made of metal or hard plastic.
a significant advantage of this inventive carrier is that a low material thickness tolerance is given, which is of great importance for the grinding process in order to achieve the smallest possible thickness tolerances of the ground plate.
the carrier according to the invention of the sanding pad has only a very low thermal expansion, this leads in particular compared to plastic or metal supports to further advantages in the grinding process.
Another advantage of the inventive sanding pad with the support of a flexible material such as textile fabric, paper, cardboard, soft plastic film of PU foam or PES or a mixture of these materials is that this, compared to the conventional Sanding shoes that can be disposed of easily and easily in a combustion process after use.
the shaping according to the invention in conjunction with a sanding shoe receptacle according to the invention leads to a further advantage, which manifests itself in the sense that a quick and uncomplicated replacement or replacement of the sanding pad is possible.
the second layer of the sliding shoe according to the invention may have different thicknesses and / or different degrees of hardness and, depending on requirements, consist of different plastics or plastic compounds, such as a PES, PU foam, nonwoven or latex nonwoven. This achieves an excellent padding and damping function.
the variation of the intermediate material makes it possible to provide sanding shoes for a wide variety of very special belt sanding processes. It is also possible to give the intermediate material certain formations by the application process or by a removal process and adapt to individual requirements in the belt grinding process.
the intermediate material can be glued over the entire surface or only partially to the flexible support. Depending on the requirements of the machine, the skilled person can make a selection of intermediate or only partially bonded intermediate materials for this purpose.
the intermediate material at the longitudinal edges is not glued or glued to the carrier, there is the advantage that material tensions during insertion of the grinding shoe are reduced and thus the entire insertion process of the grinding shoe is facilitated.
the intermediate material for example, in a range of 3-10 mm, preferably 5 mm at the longitudinal edges of the sanding pad and glued executed.
a carrier which has a width of 70 mm is glued to the center of about 60 mm and is not glued to the longitudinal walls to 5 mm.
the carrier can be glued over its entire width of 70 mm.
the intermediate material is only selectively bonded to the carrier.
the third layer of the sliding shoe according to the invention forms the abrasive belt activator whose basic constituent is graphite.
This upper layer is usually less thick than the intermediate material.
the sanding belt activator advantageously forms a sliding layer and therefore fulfills a sliding function for the sanding belt.
a new abrasive shoe carrier according to the invention for receiving the abrasive shoe according to the invention, hereinafter referred to as a sanding shoe holder, is also available.
the grinding shoe holder is connected via a receptacle with a carrier receiving rail of the belt grinding machine.
the sanding shoe holder has expansion elements. These expansion elements are arranged in corresponding fixing chambers and expandable by the introduction of an expansion medium. By introducing an expansion medium into the interior of the flexible expansion elements, these expand and expand into the space provided for expansion.
the expansion medium to be introduced may be a gas, a gas mixture or a suitably usable liquid.
the sanding shoe with the free ends of the support is inserted via slot-shaped openings into the fixing chamber of the sanding shoe holder, the sanding shoe is fixed there via the expansion elements brought to expansion.
the grinding shoe can be fixed in the carrier without the expansion of the fixing chambers.
the sanding pad on appropriate dimensions that it can be fixed in the carrier by inserting. The Fixlegeschn then serve as an additional double backup. Should a double backup not be necessary in individual cases, then the sanding pad can be kept without expansion of the fixing chambers in the carrier.
this is done by extending the expanding expansion elements in the corresponding expansion space and there press the free ends of the wearer of the sanding pad to an inner wall of the fixing chamber.
free ends of the carrier or carrier strip the two-sided free surfaces of the carrier are referred to, which are not covered by the intermediate material and the Schleifband15ator.
the expansion elements have corresponding devices with which the control of the supply or the outlet of the expansion medium takes place. These may, for example, be valves or other controllable inlet and outlet devices.
a corresponding pressure-generating device can be integrated in the belt grinding machine, or be present as an additional device. This can be handled differently depending on the application.
the abrasive shoe holder according to the invention has chamfers on both sides of the contact surface which, depending on the application and abrasive belt, can occupy an area of 1 ⁇ 8 to 1 ⁇ 4 of the contact surface.
bevel comes here also a rounding or flattening into consideration.
edges of the intermediate material or the sanding belt activator were sanded before applying the layer with the sanding belt activator to form an angled shape with flattened edges.
the grinding shoe holder does not have above-mentioned chamfers and thus a flat contact surface. This may still be advantageous for individual sanding shoes and special sanding operations.
a corresponding device such as an exhaust valve, for example, via a computer-aided control, so that the expansion medium, such as compressed air, can escape from the expansion element.
the expansion element contracts in the fixing chamber and releases the free strips of the support of the grinding shoe, which was previously pressed against an inner wall.
the sanding pad can now be removed from the sanding shoe holder or the belt sanding machine.
a new sanding pad is placed on the contact surface of the sanding shoe holder and inserted with the free strips of the carrier over the slot-shaped openings in the fixing chambers of the sanding shoe holder.
the expansion element is filled by a computer-aided command by means of a corresponding device, such as a supply valve, with a corresponding expansion medium, such as compressed air, whereupon the expansion medium expands again and presses the free strip of the carrier to an inner wall of the fixing chamber via the expansion chamber, so sets and protects against slipping.
a corresponding device such as a supply valve
a corresponding expansion medium such as compressed air
control of the expansion elements can be done manually.
a combination of manual and computer-aided control is possible.
expansion element delivery device and outlet device may also be combined in a combined device.
the present invention simplifies the production of sanding shoes and saves time and money by saving previously necessary operations, such as sanding the edges of the intermediate material. This is especially true for the substitution of expensive metal by, for example, cheaper textile fabric or, for example, hard paper.
ABS acrylonitrile-butadiene-styrene
wood are also suitable as the material for the carrier.
the wearer's material have sufficient flexibility to cope with the functional features described herein.
a sheet-like pressure sensor is installed on the support surface or contact surface, preferably over a width of 55 mm and the respective plate length of the abrasive shoe carrier and connected to a machine software.
the elastic insert then sits exactly on this support surface or contact surface and in a load case as it is during grinding, the pressure generated and the exact distribution of pressure over the support surface or contact surface in the software is displayed.
the use of such a surface sensor is only possible with an elastic carrier. For a rigid support, the pressure would not be punctiform but would spread throughout the rigid support.
the middle layer (PES, foam 7) rests directly on the surface sensor.
PES polystyrene foam
a significant advantage would be given by the fact that in an uneven distribution of pressure on the inserts, as it is the case when the upper and lower insert in the machine are not parallel to each other or the insert is wrong, the pressure distribution over the entire bearing surface or contact surface on a display and the operator would know immediately if he has to re-set the inserts or correct their position. Until now, the adjustment can be controlled only with a complex process, such as with the help of a bearing ring, ruler or the like.
the area sensor is only an option that does not necessarily have to be provided.
FIG. 1 is a sectional view of an inventive embodiment of a sanding shoe holder 5 with inserted grinding shoe 1 can be seen.
the sanding pad 1 consists of three layers. In the middle, an intermediate material 3 is arranged. On the one hand of the intermediate material 3 is the carrier made of hard paper 2. On the other hand of the intermediate material 3, a further layer is applied, which is referred to as sanding belt activator 4. The intermediate material 3 and the sanding belt activator 4 do not completely cover the carrier 2, so that a first carrier strip 16 and a second carrier strip 16. 1 of the carrier 2 remain free.
the sanding shoe holder 5 has on the side O via a contact surface 9, on which the sanding pad 1 rests.
a first chamfer 10 and on the other hand, a second chamfer 10.1 are arranged on the contact surface 9 on the one hand.
This angled shape of the contact surface 9 is transferred to the overlying sanding pad 1, since this has a flexible support.
the outer edges of the intermediate material 3 and of the sanding belt indicator 4 bend slightly downward in the direction of a side U.
the first chamfer 10 and the second chamfer 10.1 mark the respective transition to the two-sided and mirror-image arranged fixing chambers 7 and 7.1.
Via a slot-shaped opening 17 or 17.1 the two carrier strips 16 and 16.1 of the carrier 2 of the sanding pad 1 are inserted into the fixing chambers 7 and 7.1 of the sanding shoe holder 5.
the expansion elements 6 and 6.1 are arranged within the fixing chambers 7 and 7.1.
the expansion elements 6 and 6.1 each have an expansion core 12 and 12.1.
an expansion space 8 and 8.1 is arranged between an inner wall 13 and 13.1 and the expansion element 6 and 6.1 respectively.
the first carrier strip 16 and the second carrier strip 16.1 of the carrier 2 are inserted via the slot-shaped opening 17 or 17.1 in the fixing chamber 7 or 7.1, that they are located between the inner wall 13 and 13.1 and the expansion space 8 and 8.1.
the grinding shoe holder 5 has on the side U via a receptacle 14.
the receptacle 14 is T-shaped, with an additional groove-shaped recess 15 is present.
FIG. 2 illustrated embodiment of the invention shows a sanding pad 1.1 and a sanding shoe 5.1.
a contact surface 9.1 of the sanding shoe holder 5.1 is formed straight and does not have chamfers.
the contact surface 9.1 goes directly into the slot-shaped opening 17 or 17.1 situated on both sides to the fixing chambers 7 and 7.1.
the intermediate material 3 has ground edges 11, 11.1.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Polishing Bodies And Polishing Tools (AREA)

EP16202888.0A 2015-12-09 2016-12-08 Sabot de meulage et procédé de fixation d'un sabot de meulage Active EP3178606B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
EP19151895.0A EP3488968B1 (fr)	2015-12-09	2016-12-08	Dispositif de fixation d'un sabot de meulage
PL16202888T PL3178606T3 (pl)	2015-12-09	2016-12-08	Stopa szlifierska i sposób mocowania stopy szlifierskiej
SI201630582T SI3178606T1 (sl)	2015-12-09	2016-12-08	Brusilno kopito in postopek za pritrjevanje brusilnega kopita

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102015121469		2015-12-09
DE102016119500.6A DE102016119500A1 (de)	2015-12-09	2016-10-13	Schleifschuh, Vorrichtung zum Festlegen eines Scheifschuhs, Schleifschuhaufnahme und ein Verfahren

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19151895.0A Division-Into EP3488968B1 (fr)	2015-12-09	2016-12-08	Dispositif de fixation d'un sabot de meulage
EP19151895.0A Division EP3488968B1 (fr)	2015-12-09	2016-12-08	Dispositif de fixation d'un sabot de meulage

Publications (3)

Publication Number	Publication Date
EP3178606A2 true EP3178606A2 (fr)	2017-06-14
EP3178606A3 EP3178606A3 (fr)	2017-10-25
EP3178606B1 EP3178606B1 (fr)	2019-09-25

Family

ID=57539086

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19151895.0A Active EP3488968B1 (fr)	2015-12-09	2016-12-08	Dispositif de fixation d'un sabot de meulage
EP16202888.0A Active EP3178606B1 (fr)	2015-12-09	2016-12-08	Sabot de meulage et procédé de fixation d'un sabot de meulage

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP19151895.0A Active EP3488968B1 (fr)	2015-12-09	2016-12-08	Dispositif de fixation d'un sabot de meulage

Country Status (4)

Country	Link
EP (2)	EP3488968B1 (fr)
PL (2)	PL3178606T3 (fr)
PT (1)	PT3488968T (fr)
SI (2)	SI3178606T1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4114819C1 (en)	1991-05-07	1992-02-06	Ott-Holzmaschinen Gmbh, 7064 Remshalden, De	Flat belt grinding machine - uses hose-shaped inflatable cushion to apply pressure to belt
DE20315291U1 (de)	2003-09-16	2004-01-15	Hülsemann, Thomas	Schleifschuhvorrichtung
WO2006012843A1 (fr)	2004-07-27	2006-02-09	Huelsemann Thomas	Patin de ponçage
DE102005054213A1 (de)	2005-11-14	2007-05-16	Buetfering Schleiftechnik Gmbh	Schleifschuh für eine Bandschleifmaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE843012C (de) *	1950-10-24	1952-07-03	Karl Guenter	Schleif- und Druckschuh an Bandschleifmaschinen aller Systeme
DE1577425A1 (de) *	1966-07-09	1970-01-08	Maweg Maschb Siegfried Knuepfe	Bandschleifmaschine
AT272130B (de) *	1968-03-21	1969-06-25	Gerhard Piringer	Schleifschuh für Bandschleifmaschinen
DE2119827C3 (de) *	1971-04-23	1973-12-06	Boettcher & Gessner, 2000 Hamburg	Druckschuh fur eine Bandschleif maschine zur Holzbearbeitung
SU579130A1 (ru) *	1976-01-04	1977-11-05	Львовский Лесотехнический Институт	Надувной валец дл обработки поверхностей длинномерных изделий
DE2635473A1 (de) *	1976-08-06	1978-02-09	Boettcher & Gessner Gmbh	Schleifbandumlenkung fuer querbandschleifmaschinen
JPS59156507A (ja) *	1983-02-25	1984-09-05	Ishikawajima Harima Heavy Ind Co Ltd	圧延ロ−ルの研削装置
DE3328398C2 (de) *	1983-08-05	1985-10-24	Weber, Georg, Dipl.-Ing., 8640 Kronach	Druckbalken für Breitbandschleifmaschinen
AT410452B (de) *	2001-12-17	2003-05-26	Andritz Ag Maschf	Verfahren und vorrichtung zur messung und regelung des nipdrucks in der presse einer papiermaschine
PT1716972E (pt) *	2005-04-28	2010-09-30	Sia Abrasives Ind Ag	Revestimento de patim esmerilador
EP2390054A1 (fr) *	2010-05-27	2011-11-30	sia Abrasives Industries AG	Support de plaquette pour patin de ponçage doté d'évidements
CH705104B1 (de) *	2011-06-04	2016-05-13	Steinemann Tech Ag	Schleifschuh mit einem eingeschobenen Schleifschuhbelag.
DE102011117032A1 (de) *	2011-10-27	2013-05-02	Hülsemann GmbH	Verfahren zur Herstellung eines Schleifschuhbelages

2016
- 2016-12-08 PL PL16202888T patent/PL3178606T3/pl unknown
- 2016-12-08 EP EP19151895.0A patent/EP3488968B1/fr active Active
- 2016-12-08 EP EP16202888.0A patent/EP3178606B1/fr active Active
- 2016-12-08 PT PT191518950T patent/PT3488968T/pt unknown
- 2016-12-08 SI SI201630582T patent/SI3178606T1/sl unknown
- 2016-12-08 PL PL19151895.0T patent/PL3488968T3/pl unknown
- 2016-12-08 SI SI201631677T patent/SI3488968T1/sl unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4114819C1 (en)	1991-05-07	1992-02-06	Ott-Holzmaschinen Gmbh, 7064 Remshalden, De	Flat belt grinding machine - uses hose-shaped inflatable cushion to apply pressure to belt
DE20315291U1 (de)	2003-09-16	2004-01-15	Hülsemann, Thomas	Schleifschuhvorrichtung
WO2006012843A1 (fr)	2004-07-27	2006-02-09	Huelsemann Thomas	Patin de ponçage
DE102005054213A1 (de)	2005-11-14	2007-05-16	Buetfering Schleiftechnik Gmbh	Schleifschuh für eine Bandschleifmaschine

Also Published As

Publication number	Publication date
EP3178606B1 (fr)	2019-09-25
EP3488968A1 (fr)	2019-05-29
EP3178606A3 (fr)	2017-10-25
SI3488968T1 (sl)	2023-06-30
PL3488968T3 (pl)	2023-06-19
PT3488968T (pt)	2023-03-22
SI3178606T1 (sl)	2020-04-30
EP3488968B1 (fr)	2022-12-28
PL3178606T3 (pl)	2020-05-18

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